Western Fishfly vs Indian Dobsonfly

Side-by-side species comparison

Attribute Western Fishfly Indian Dobsonfly
Scientific Name Neohermes filicornis Nevromus testaceus
Order Megaloptera Megaloptera
Family Corydalidae Corydalidae
Size 40-55 mm wingspan 35-50 mm wingspan
Habitat Rivers & Streams Rivers & Streams
Diet Predators Predators
Regions Western North America South Asia
Conservation Least Concern Data Deficient

Western Fishfly

A western North American fishfly with feathery antennae and brownish wings. Adults are attracted to lights near streams where their larvae develop.

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Did You Know?

Fishflies are distinguished from dobsonflies by their feathery antennae and lack of massive mandibles in males.

Indian Dobsonfly

A medium-sized dobsonfly found in hill streams of the Indian subcontinent. Larvae live under rocks in well-oxygenated rapids.

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Did You Know?

It is one of the few megalopteran species found in tropical South Asia.